BASH PATCH REPORT ================= Bash-Release: 4.2 Patch-ID: bash42-001 Bug-Reported-by: Juergen Daubert Bug-Reference-ID: <20110214175132.GA19813@jue.netz> Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2011-02/msg00125.html Bug-Description: When running in Posix mode, bash does not correctly expand the right-hand side of a double-quoted word expansion containing single quotes. Patch (apply with `patch -p0'): *** ../bash-4.2-patched/subst.c 2011-01-02 16:12:51.000000000 -0500 --- subst.c 2011-02-19 00:00:00.000000000 -0500 *************** *** 1380,1387 **** /* The handling of dolbrace_state needs to agree with the code in parse.y: ! parse_matched_pair() */ ! dolbrace_state = 0; ! if (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) ! dolbrace_state = (flags & SX_POSIXEXP) ? DOLBRACE_QUOTE : DOLBRACE_PARAM; i = *sindex; --- 1380,1389 ---- /* The handling of dolbrace_state needs to agree with the code in parse.y: ! parse_matched_pair(). The different initial value is to handle the ! case where this function is called to parse the word in ! ${param op word} (SX_WORD). */ ! dolbrace_state = (flags & SX_WORD) ? DOLBRACE_WORD : DOLBRACE_PARAM; ! if ((quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) && (flags & SX_POSIXEXP)) ! dolbrace_state = DOLBRACE_QUOTE; i = *sindex; *************** *** 7177,7181 **** /* Extract the contents of the ${ ... } expansion according to the Posix.2 rules. */ ! value = extract_dollar_brace_string (string, &sindex, quoted, (c == '%' || c == '#') ? SX_POSIXEXP : 0); if (string[sindex] == RBRACE) sindex++; --- 7181,7185 ---- /* Extract the contents of the ${ ... } expansion according to the Posix.2 rules. */ ! value = extract_dollar_brace_string (string, &sindex, quoted, (c == '%' || c == '#' || c =='/' || c == '^' || c == ',' || c ==':') ? SX_POSIXEXP|SX_WORD : SX_WORD); if (string[sindex] == RBRACE) sindex++; *** ../bash-4.2-patched/subst.h 2010-12-02 20:21:29.000000000 -0500 --- subst.h 2011-02-16 21:12:09.000000000 -0500 *************** *** 57,60 **** --- 57,61 ---- #define SX_ARITHSUB 0x0080 /* extracting $(( ... )) (currently unused) */ #define SX_POSIXEXP 0x0100 /* extracting new Posix pattern removal expansions in extract_dollar_brace_string */ + #define SX_WORD 0x0200 /* extracting word in ${param op word} */ /* Remove backslashes which are quoting backquotes from STRING. Modifies *** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010 --- patchlevel.h Thu Feb 24 21:41:34 2011 *************** *** 26,30 **** looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 0 #endif /* _PATCHLEVEL_H_ */ --- 26,30 ---- looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 1 #endif /* _PATCHLEVEL_H_ */